Long Flush Mount Bolt (Burnished), 28 mm

This is an "Open Box" item that is unused and fully functional, with minor cosmetic wear from warehouse storage. Sold as-is—no exchanges or returns. The Flush Mount Bolt triple burnished provides a hidden, flush fastening option for Siegmund System 28 setups. Its four-ball locking system ensures a strong hold, while the bolt head disappears into the borehole, creating a smooth, unobstructed surface for precise welding and fixturing. - The 91mm (3.58" Inches) length supports clamping of up to three components. - Triple burnished finish offers excellent durability and wear resistance. - Flush mounting design keeps surfaces clear and level. - High shear and tensile force ratings deliver secure clamping. - Hexagon socket (Size 6) allows quick and consistent tightening. - Designed for reliable hidden connections between Siegmund components. Key Features: - Flush head eliminates surface interference. - Triple burnished finish extends service life. - Withstands 220 kN (49,458.8 lbf.) shear force. - Delivers 10 kN (2,248.1 lbf.) tensile force in steel setups. - Compatible with Siegmund System 28 Metric Series for up to three components. Specifications: - Item No.: 2-280529 - System: Siegmund System 28 Metric Series - Length: 91mm (3.58" Inches) - Weight: 0.90 lbs. (0.41 kg.) - Shearing Force: 220 kN (49,458.8 lbf.) - Tightening Torque Steel: 25 Nm (221.2 lbf·in.) - Tensile Force Steel: 10 kN (2,248.1 lbf.) - Connection Type: Hexagon Socket (Size 6), Flush Top with Four-Ball Locking Common Uses: This bolt enables flush, secure fastening of up to three components in Siegmund System 28 setups. Its triple burnished finish ensures long-lasting wear resistance, while the flush head design keeps fixture surfaces clear. It is relied upon for precision welding and fixturing tasks where durability, hidden fastening, and accurate alignment are required.